Home / 63,711.36-87,922.20-39,852

Finding the Fourth Proportional to 63,711.36, 87,922.20 and 39,852

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Solution

The fourth proportional to 63,711.36, 87,922.20 and 39,852 is: 54,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,711.36 : 87,922.20 = 39,852 : x
  2. Step 2: Convert to fraction form
    63,711.36/87,922.20 = 39,852/x
  3. Step 3: Cross multiply
    63,711.36x = 87,922.20 × 39,852
  4. Step 4: Simplify right side
    63,711.36x = 3,503,875,514.40
  5. Step 5: Solve for x
    x = 3,503,875,514.40/63,711.36
  6. Step 6: Final answer
    x = 54,996.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.